Lecture 8 land adaptations, plants posted

Lecture 8 land adaptations, plants posted - BIO 311D...

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BIO 311D LECTURE 8 Plant adaptations and life cycles
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A clade 1.Multicellular eukaryotes 2.Photosynthetic autotrophs 3.Cell walls for support 4.Sexual and asexual reproduction 5.No nervous or muscle tissue Plants
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Four main groups of land plants - Bryophytes - mosses Pterophytes – ferns Gymnosperms – conifers Angiosperms – flowering plants
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Terrestrial constraints in plants (in all living things) Surface area vs. volume Gravity Aridity Nutrient uptake, Transport Salinity
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Surface area vs. volume ratio
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Gravity Structural support
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Aridity Water conservation Fertilization
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Nutrient uptake, Transport Mycorrhizae Enzymes Transport proteins Extracellular matrix
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Salinity Ocean water fresh water
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Evolution of land plants origin of bryophytes from algal ancestors origin and diversification of vascular plants origin of seeds, pollen evolution of flowers, fruit
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Phylogenetic connection between land plants and green algae Rose-shaped complexes for cellulose synthesis Peroxisome enzymes Structure of flagellated sperm Formation of a phragmoplast
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Terrestrial land was new terrain…
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This note was uploaded on 03/06/2010 for the course BIOL 50755 taught by Professor Allgeier during the Spring '10 term at University of Texas-Tyler.

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Lecture 8 land adaptations, plants posted - BIO 311D...

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